<template>
  <div style="padding: 10px">
    <!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
      <el-upload
        action="' + this.GLOBAL.BASE_URL +':9999/user/import"
        :on-success="handleUploadSuccess"
        :show-file-list="false"
        :limit="1"
        accept=".xlsx"
        style="display: inline-block; margin: 0 10px"
      >
        <el-button type="primary">导入</el-button>
      </el-upload>
      <el-button type="primary" @click="exportUser">导出</el-button>
    </div>

    <!--    搜索区域  clearable增加一个输入框清除标识-->
    <div style="margin: 10px 0">
      <el-input
        v-model="search"
        placeholder="请输入关键字"
        style="width: 20%"
        clearable
      ></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="loadData"
        >查询</el-button
      >
    </div>
    <!--  v-loading="loading" -->
    <el-table :data="tableData" v-loading="loading" border stripe style="width: 100%">
      <el-table-column prop="id" label="ID" sortable> </el-table-column>
      <el-table-column prop="username" label="用户名"> </el-table-column>
      <el-table-column prop="nickName" label="昵称"> </el-table-column>
      <el-table-column prop="age" label="年龄"> </el-table-column>
      <el-table-column prop="sex" label="性别"> </el-table-column>
      <el-table-column prop="address" label="地址"> </el-table-column>
      <el-table-column label="角色">
        <!-- score 当前域 -->
        <template #default="scope">
          <span v-if="scope.row.role === 1">管理员</span>
          <span v-if="scope.row.role === 2">普通用户</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="260">
        <template #default="scope">
          <el-button size="mini" type="success" plain @click="showBooks(scope.row.bookList)">查看图书列表</el-button>
          <el-button
            size="mini"
            type="primary"
            plain
            @click="handleEdit(scope.row)"
            >编辑</el-button
          >
          <el-popconfirm
            title="确定删除吗？"
            @confirm="handleDelete(scope.row.id)"
          >
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页表格 -->
    <div style="margin: 10px 0">
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="currentPage"
        :page-sizes="[5, 10, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </div>
  <!-- 查看图书列表的弹出框 -->
    <el-dialog title="用户拥有的图书列表" :visible.sync="bookVis" width="30%">
      <el-table :data="bookList" stripe border>
        <el-table-column prop="id" label="ID"></el-table-column>
        <el-table-column prop="name" label="名称"></el-table-column>
        <el-table-column prop="price" label="价格"></el-table-column>
      </el-table>
    </el-dialog>

    <!-- 新增弹出的添加框 -->
    <el-dialog center="center" title="提示" :visible.sync="dialogTableVisible" width="30%">
      <el-form :model="form" label-width="120px">
        <el-form-item label="用户名">
          <el-input v-model="form.username" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="昵称">
          <el-input v-model="form.nickName" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="年龄">
          <el-input v-model="form.age" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="性别">
          <el-radio v-model="form.sex" label="男">男</el-radio>
          <el-radio v-model="form.sex" label="女">女</el-radio>
          <el-radio v-model="form.sex" label="未知">未知</el-radio>
        </el-form-item>
        <el-form-item label="地址">
          <el-input
            type="textarea"
            v-model="form.address"
            style="width: 80%"
          ></el-input>
        </el-form-item>
        <el-form-item label="账户余额">
          <el-input v-model="form.account" style="width: 80%"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogTableVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script>
// 导入请求工具
import request from "@/utils/request";

export default {
  name: "User",
  components: {},
  data() {
    return {
      loading: true,
      form: {},
      // 弹窗默认关闭
      dialogTableVisible: false,
      bookVis: false,
      search: "",
      currentPage: 1,
      pageSize: 10,
      total: 10,
      tableData: [],
      bookList: []
    };
  },
  // 创建页面时  调用  vue的生命周期
  created() {
    this.loadData()
  },
  methods: {
    showBooks(books) {
      this.bookList = books
      this.bookVis = true
    }
    ,
    //调用数据请求
    loadData() {
      this.loading = true
      request.get("/user", {
        // 加一个名字用于get请求传递参数  查询的时候  api 跨域，已解决
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        this.loading = false,
        // 
        this.tableData = res.data.data.records;
        //
        this.total = res.data.data.total;
        // 
        console.log(res);
        console.log( this.total);

        console.log("200");
      })
    },
    handleUploadSuccess(res) {
      if (res.code === "200") {
        this.$message.success("导入成功");
        this.loadData()
      }
    },
    exportUser() {
      location.href =
        this.GLOBAL.BASE_URL + ":9999/user/export";
    },
    add() {
      console.log("222");
      this.dialogTableVisible = true;
      this.form = {};
    },
    save() {
      if (this.form.id) {
        // 更新 
        request.put("/user", this.form).then((res) => {
          //console.log(res);
          // 因为数据多封装了一层
          if (res.data.code === "200") {
            console.log(res.data.code);
            this.$message({
              type: "success",
              message: "更新成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.data.msg,
            });
          }
          // 刷新表格的数据
          this.loadData();
          // 关闭弹窗 
          this.dialogTableVisible = false; 
        });
      } else {
        // 新增
        request.post("/user", this.form).then((res) => {
          console.log(res);
         if (res.data.code === "200") {
            this.$message({
              type: "success",
              message: "新增成功",
            });
          } else {
            this.$message({
              type: "error",
              message: res.data.msg,
            });
          }
          // 刷新表格的数据
          this.loadData();
          // 关闭弹窗 
          this.dialogTableVisible = false; 
        });
      }
    },
    handleEdit(row) {
      // 进行对象深拷贝  防止数据影响
      this.form = JSON.parse(JSON.stringify(row));
      //  弹出提示框
      this.dialogTableVisible = true;
    },
    handleDelete(id) {
      console.log(id);
      // 拼接方式传递参数
      request.delete("/user/" + id).then((res) => {
        if (res.data.code === "200") {
          this.$message({
            type: "success",
            message: "删除成功",
          });
        } else {
          this.$message({
            type: "error",
            message: res.data.msg,
          });
        }
         this.loadData()  // 删除之后重新加载表格的数据
      });
    },
    handleSizeChange(pageSize) {   // 改变当前每页的个数触发
     // 赋值
      this.pageSize = pageSize;
      this.loadData()
    },
    handleCurrentChange(pageNum) {  // 改变当前页码触发
      //  赋值
      this.currentPage = pageNum;
      this.loadData()
    },
  },
};
</script>
